The Museo d'Arte Sacra della Val d'Arbia is a small museum of religious art in Buonconvento, in the Val d'Arbia to the south of Siena, in Tuscany in central Italy. It contain a number of paintings by important artists of the Sienese School, among them Duccio di Buoninsegna, Sano di Pietro and Pietro Lorenzetti.:75 The museum is housed in the Palazzo Ricci Socini, close to the parish church of Santi Pietro e Paolo.